details on actress leah remini's decision to leave the church of scientology. She is the latest high-profile person to leave the church, which counts major a-list stars, tom cruise and john travolta. Dan harris has covered the church for years and has the latest. What's happening here? I'm saying my prayers. Reporter: For nearly a decade, leah remini played the tough wife on "king of queens." I will pray any way I want to. Reporter: A spokesperson for the actress confirmed to abc news, that remini is sporting ways with one of the most controversial faiths on earth, the church of scientology. Remini said, quote, I wish to share my sincere and heartfelt appreciation for the overwhelming positive response i have received from the media, my colleagues and fans from around the world. I am truly grateful and thankful for all of your support. She is one of the most high-profile celebrities to break with the church. Often, these things are handled very quietly. But this seems to be a pretty clear break. If you're a scientologist, you see life. But you see things the way they are. Reporter: Scientology has long attracted celebrity adhe adheren adheren'ts. Come cruise, to john travolta to kirstie alley. There's also been high-profile departures, including paul hag et. Church officials have left, too, accusing the head of the church, david, of being controls and abusive. Debbie cook once ran the flag base in florida. I witnessed mr. She testified that she saw miscavige punch a scientology executive. While he didn't hit her, he did order his secretary to do so. You're in a room with him. And he tells his secretary to slap you? Yes. Reporter: Hard enough that you fell down? Yes. Reporter: Why did he ask her to do this? Because he was displeased about how I was answering the questions. Reporter: The church says claims that miscavige punched or slapped anyone are lies. And dismisses cook as a defrocked apostate. The church of scientology issued a statement to abc news overnight saying, the church respects the privacy of parishioners and has no further comment. For "good morning america," dan harris, abc news, new york.

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